| Primary satellite | Secondary satellite |
| Name | CZ-2D DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 44549 | 37994 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:07 | 2024 Dec 22 22:04 |
| Time of closest approach (UTC) | 2024 Dec 25 04:55:31.376 |
| Minimum distance | 3.926 km |
| Height difference | -2.700 km |
| Relative speed | 14.865 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 46.3°S, 20.7°E |
| Height | 776 km |
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